What is a hydraulic control valve, hydraulic control valve how to disassemble?

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Hydraulic control valve The main valve is a self-lubricating water valve body, without additional oil lubrication, in case of damage to the main valve parts, according to the following instructions for disassembly. (Note: the general consumption of damage within the valve products for the diaphragm and â—‹ ring, and other internal parts little damage. First before and after the main valve closing the gate valve 2. The main valve cover pipe fittings screw loose, Release the valve pressure 3. Remove all metal screws, including the nut of the necessary brass in the control line 4. Take the bonnet and spring 5. Remove the shaft, diaphragm, piston, etc., cut Do not damage the diaphragm 6. Remove the above items, check the diaphragm and â—‹ ring is damaged, if not damaged, do not subcontract its own internal components 7. If the diaphragm or â—‹ ring is found damaged , Please loosen the nut on the shaft core, break down the diaphragm or ring circle by Zhejiang, replace it with a new diaphragm or o-ring after it is removed. 8. Check in detail whether the internal valve seat, shaft core, etc. of the main valve There is damage, if there are other debris in the main valve to clean out the internal 9. In reverse order is the replacement of the components assembled main valve, pay attention to the phenomenon of the valve can not be jammed.

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